Home / 112,808,067.28-155,677,433.16-61,303,161.04

Finding the Fourth Proportional to 112,808,067.28, 155,677,433.16 and 61,303,161.04

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Solution

The fourth proportional to 112,808,067.28, 155,677,433.16 and 61,303,161.04 is: 84,599,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,808,067.28 : 155,677,433.16 = 61,303,161.04 : x
  2. Step 2: Convert to fraction form
    112,808,067.28/155,677,433.16 = 61,303,161.04/x
  3. Step 3: Cross multiply
    112,808,067.28x = 155,677,433.16 × 61,303,161.04
  4. Step 4: Simplify right side
    112,808,067.28x = 9,543,518,755,301,316
  5. Step 5: Solve for x
    x = 9,543,518,755,301,316/112,808,067.28
  6. Step 6: Final answer
    x = 84,599,612.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.